Class F: In Situ Concrete

Delivery to site for each additional mile from the concrete plant further than 5 miles (8 km) – – – 2.00 m3 2.00 Mix design, per trial mix – – – 245.00 mix 245.00 Part loads, per m3 below full load – – – 50.00 m3 50.00 Waiting time ( in excess of 6mins/m3 ‘norm’ discharge time) – – – 85.00 hr 85.00 Making and testing concrete cube 0.69 8.74 – – nr 8.74 Pumping from ready mix truck to point of placing at the rate of 25m3 / hour 0.11 1.33 6.95 – m3 8.28 Pumping from ready mix truck to point of placing at the rate of 45m3 / hour 0.05 0.64 7.32 – m3 7.96

RESOURCES – PLANT Concrete

10 t crane (50% of time) 21.30 1.00m3 concrete skip (50% of time) 1.25 11.30m3/min compressor, 2 tool 34.98 four 54mm poker vibrators 5.50 Total Rate/Hour £ 63.02

Labour Total hours £ £ £ rate £

PROVISION OF CONCRETE

Standard mix; cement to BS EN 197-1 Type ST1 – – – 81.71 m3 81.71 Type ST2 – – – 82.74 m3 82.74 Type ST3 – – – 83.78 m3 83.78 Type ST4 – – – 84.81 m3 84.81 Type ST5 – – – 85.85 m3 85.85

Standard mix; sulphate-resisting cement to BS 4027 Type ST1 – – – 84.86 m3 84.86 Type ST2 – – – 85.89 m3 85.89 Type ST3 – – – 86.93 m3 86.93 Type ST4 – – – 87.96 m3 87.96 Type ST5 – – – 89.00 m3 89.00

Designed mix; cement to BS EN 197-1 Grade C7.5

10mm aggregate – – – 82.95 m3 82.95 20mm aggregate – – – 81.71 m3 81.71 40mm aggregate – – – 80.48 m3 80.48

Grade C10 10mm aggregate – – – 84.00 m3 84.00 20mm aggregate – – – 82.74 m3 82.74 40mm aggregate – – – 81.50 m3 81.50

Grade C15 10mm aggregate – – – 85.05 m3 85.05 20mm aggregate – – – 83.78 m3 83.78 40mm aggregate – – – 82.52 m3 82.52

Grade C20 10mm aggregate – – – 86.10 m3 86.10 20mm aggregate – – – 84.81 m3 84.81 40mm aggregate – – – 83.54 m3 83.54

Grade C25 10mm aggregate – – – 87.15 m3 87.15 20mm aggregate – – – 85.85 m3 85.85 40mm aggregate – – – 84.56 m3 84.56

Grade C30 10mm aggregate – – – 90.30 m3 90.30 20mm aggregate – – – 89.46 m3 89.46 40mm aggregate – – – 88.12 m3 88.12

Grade C40 10mm aggregate – – – 96.60 m3 96.60 20mm aggregate – – – 95.15 m3 95.15

Grade C50 10mm aggregate – – – 100.80 m3 100.80 20mm aggregate – – – 99.29 m3 99.29

Grade C60 10mm aggregate – – – 105.00 m3 105.00 20mm aggregate – – – 103.42 m3 103.42

Labour Total hours £ £ £ rate £

Designed mix; sulphate-resisting cement to BS 4027 Grade C7.5

10mm aggregate – – – 86.03 m3 86.03 20mm aggregate – – – 84.79 m3 84.79 40mm aggregate – – – 83.56 m3 83.56

Grade C10 10mm aggregate – – – 87.13 m3 87.13 20mm aggregate – – – 85.87 m3 85.87 40mm aggregate – – – 84.63 m3 84.63

Grade C15 10mm aggregate – – – 88.23 m3 88.23 20mm aggregate – – – 86.96 m3 86.96 40mm aggregate – – – 85.70 m3 85.70

Grade C20 10mm aggregate – – – 89.31 m3 89.31 20mm aggregate – – – 88.02 m3 88.02 40mm aggregate – – – 86.75 m3 86.75

Grade C25 10mm aggregate – – – 90.47 m3 90.47 20mm aggregate – – – 89.16 m3 89.16 40mm aggregate – – – 87.87 m3 87.87

Grade C30 10mm aggregate – – – 93.67 m3 93.67 20mm aggregate – – – 92.83 m3 92.83 40mm aggregate – – – 91.48 m3 91.48

Prescribed mix; cement to BS EN 197-1 Grade C7.5

10mm aggregate – – – 85.03 m3 85.03 20mm aggregate – – – 83.75 m3 83.75 40mm aggregate – – – 82.49 m3 82.49

Grade C10 10mm aggregate – – – 86.10 m3 86.10 20mm aggregate – – – 84.81 m3 84.81 40mm aggregate – – – 83.54 m3 83.54

Grade C15 10mm aggregate – – – 87.18 m3 87.18 20mm aggregate – – – 85.87 m3 85.87 40mm aggregate – – – 84.58 m3 84.58

Grade C20 10mm aggregate – – – 88.25 m3 88.25 20mm aggregate – – – 86.93 m3 86.93 40mm aggregate – – – 85.63 m3 85.63

Grade C25 10mm aggregate – – – 89.33 m3 89.33 20mm aggregate – – – 87.99 m3 87.99 40mm aggregate – – – 86.67 m3 86.67

Labour Total hours £ £ £ rate £

PROVISION OF CONCRETE – cont

Prescribed mix – cont Grade C30

10mm aggregate – – – 93.09 m3 93.09 20mm aggregate – – – 91.70 m3 91.70 40mm aggregate – – – 90.32 m3 90.32

Grade C40 10mm aggregate – – – 99.02 m3 99.02 20mm aggregate – – – 97.53 m3 97.53

Grade C50 10mm aggregate – – – 103.32 m3 103.32 20mm aggregate – – – 101.77 m3 101.77

Grade C60 10mm aggregate – – – 107.63 m3 107.63 20mm aggregate – – – 106.01 m3 106.01

Prescribed mix; sulphate-resisting cement to BS 4027 Grade C7.5

10mm aggregate – – – 88.11 m3 88.11 20mm aggregate – – – 86.83 m3 86.83 40mm aggregate – – – 85.57 m3 85.57

Grade C10 10mm aggregate – – – 89.23 m3 89.23 20mm aggregate – – – 87.94 m3 87.94 40mm aggregate – – – 86.66 m3 86.66

Grade C15 10mm aggregate – – – 90.36 m3 90.36 20mm aggregate – – – 89.05 m3 89.05 40mm aggregate – – – 87.76 m3 87.76

Grade C20 10mm aggregate – – – 91.46 m3 91.46 20mm aggregate – – – 90.14 m3 90.14 40mm aggregate – – – 88.84 m3 88.84

Grade C25 10mm aggregate – – – 92.65 m3 92.65 20mm aggregate – – – 91.31 m3 91.31 40mm aggregate – – – 89.98 m3 89.98

Grade C30 10mm aggregate – – – 96.46 m3 96.46 20mm aggregate – – – 95.06 m3 95.06 40mm aggregate – – – 93.69 m3 93.69

PLACING OF CONCRETE; MASS Blinding; thickness

ne 150mm 0.18 17.42 0.68 – m3 18.10 150-300mm 0.16 15.48 1.94 – m3 17.42 300-500mm 0.14 13.55 3.20 – m3 16.75 exceeding 500mm 0.12 11.61 4.46 – m3 16.07

Labour Total hours £ £ £ rate £

Bases, footings, pile caps and ground slabs; thickness

ne 150mm 0.20 19.35 12.61 – m3 31.96 150-300mm 0.17 16.45 10.76 – m3 27.21 300-500mm 0.15 14.51 9.51 – m3 24.02 exceeding 500mm 0.14 13.55 8.83 – m3 22.38

ADD to the above for placing against an excavated surface 0.03 2.42 1.55 – m3 3.97

Walls; thickness ne 150mm 0.21 20.32 13.28 – m3 33.60 150-300mm 0.15 14.51 9.51 – m3 24.02 300-500mm 0.13 12.58 8.24 – m3 20.82 exceeding 500mm 0.12 11.61 7.56 – m3 19.17

ADD to the above for placing against an excavated surface 0.03 2.90 1.94 – m3 4.84

Other concrete forms plinth 1000×1000×600mm 0.33 31.93 20.85 – m3 52.78 plinth 1500×1500×750mm 0.25 24.19 15.81 – m3 40.00 plinth 2000×2000×600mm 0.20 19.35 12.61 – m3 31.96 surround to precast concrete manhole chambers 200mm thick 0.29 28.06 18.32 – m3 46.38

PLACING OF CONCRETE; REINFORCED Bases, footings, pile caps and ground slabs; thickness

ne 150mm 0.21 20.32 13.28 – m3 33.60 150-300mm 0.18 17.42 11.35 – m3 28.77 300-500mm 0.16 15.48 10.08 – m3 25.56 exceeding 500mm 0.15 14.51 9.51 – m3 24.02

Suspended slabs; thickness ne 150mm 0.27 26.12 17.07 – m3 43.19 150-300mm 0.21 20.32 13.28 – m3 33.60 300-500mm 0.19 18.38 12.03 – m3 30.41 exceeding 500mm 0.19 18.38 12.03 – m3 30.41

Walls; thickness ne 150mm 0.29 28.06 18.32 – m3 46.38 150-300mm 0.22 21.29 13.87 – m3 35.16 300-500mm 0.20 19.35 12.61 – m3 31.96 exceeding 500mm 0.20 19.35 12.61 – m3 31.96

Columns and piers; cross-sectional area ne 0.03m2 0.50 48.38 31.52 – m3 79.90 0.03-0.10m2 0.40 38.70 25.22 – m3 63.92 0.10-0.25m2 0.35 33.87 22.11 – m3 55.98 0.25-1.00m2 0.35 33.87 22.11 – m3 55.98 exceeding 1m2 0.28 27.09 17.65 – m3 44.74

Beams; cross-sectional area ne 0.03m2 0.50 48.38 31.52 – m3 79.90 0.03-0.10m2 0.40 38.70 25.22 – m3 63.92 0.10-0.25m2 0.35 33.87 22.11 – m3 55.98 0.25-1.00m2 0.35 33.87 22.11 – m3 55.98 exceeding 1m2 0.28 27.09 17.65 – m3 44.74

Labour Total hours £ £ £ rate £

PLACING OF CONCRETE; REINFORCED – cont

Casings to metal sections; cross-sectional area ne 0.03m2 0.47 45.48 29.67 – m3 75.15 0.03-0.10m2 0.47 45.48 29.67 – m3 75.15 0.10-0.25m2 0.40 38.70 25.21 – m3 63.91 0.25-1.00m2 0.40 38.70 25.21 – m3 63.91 exceeding 1m2 0.35 33.87 22.11 – m3 55.98

PLACING OF CONCRETE; PRESTRESSED Suspended slabs; thickness

ne 150mm 0.28 27.09 17.65 – m3 44.74 150-300mm 0.22 21.29 13.87 – m3 35.16 300-500mm 0.20 19.35 12.61 – m3 31.96 exceeding 500mm 0.19 18.38 12.03 – m3 30.41

Beams; cross-sectional area ne 0.03m2 0.50 48.38 31.52 – m3 79.90 0.03-0.10m2 0.40 38.70 25.22 – m3 63.92 0.10-0.25m2 0.35 33.87 22.11 – m3 55.98 0.25-1.00m2 0.35 33.87 22.11 – m3 55.98 exceeding 1m2 0.28 27.09 17.65 – m3 44.74